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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

#ifndef nsIAttribute_h___
#define nsIAttribute_h___

#include "nsINode.h"

class nsDOMAttributeMap;
class nsIContent;

#define NS_IATTRIBUTE_IID  \
{ 0x233a9c4d, 0xb27f, 0x4662, \
    { 0xbd, 0x90, 0xba, 0xd6, 0x2e, 0x76, 0xc8, 0xe1 } }

class nsIAttribute : public nsINode
{
public:
  NS_DECLARE_STATIC_IID_ACCESSOR(NS_IATTRIBUTE_IID)

  virtual void SetMap(nsDOMAttributeMap *aMap) = 0;
  
  nsDOMAttributeMap *GetMap()
  {
    return mAttrMap;
  }

  mozilla::dom::NodeInfo *NodeInfo() const
  {
    return mNodeInfo;
  }

  /**
   * Called when our ownerElement is moved into a new document.
   * Updates the nodeinfo of this node.
   */
  virtual nsresult SetOwnerDocument(nsIDocument* aDocument) = 0;

protected:
#ifdef MOZILLA_INTERNAL_API
  nsIAttribute(nsDOMAttributeMap *aAttrMap,
               already_AddRefed<mozilla::dom::NodeInfo>& aNodeInfo,
               bool aNsAware);
#endif //MOZILLA_INTERNAL_API
  virtual ~nsIAttribute();

  nsRefPtr<nsDOMAttributeMap> mAttrMap;
  bool mNsAware;
};

NS_DEFINE_STATIC_IID_ACCESSOR(nsIAttribute, NS_IATTRIBUTE_IID)

#endif /* nsIAttribute_h___ */